Cisco VG204 Software Configuration Guide

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Cisco VG202 and Cisco VG204 Voice Gateways Software Configuration Guide
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Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics
Upgrading to a New Cisco IOS Release
Saving Configuration Changes
You need to enter the copy running-config startup-config command to save your configuration
changes to NVRAM, so the changes are not lost if there is a system reload or power outage. For example:
VG# copy running-config startup-config
Building configuration...
It might take a minute or two to save the configuration to NVRAM. After the configuration has been
saved, the following appears:
[OK]
VG#
Upgrading to a New Cisco IOS Release
To install or upgrade to a new Cisco IOS release, see Maintaining System Memory in the Cisco IOS
Configuration Fundamentals Configuration Guide, Release 12.2.
Note To simplify network operations and management of Cisco IOS software migration, see the Basics of a
Successful Cisco IOS Software Migration document.
Cisco VG202 and Cisco VG204 Voice Gateways Deployment
Scenario
Figure 1-5 shows a typical deployment scenario for Cisco VG202 and Cisco VG204 voice gateways.
Figure 1-5 Analog FXS User Interfaces
1 Ethernet 2 VG204 voice gateway
3 RJ-11 cables 4 Analog telephones
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Cisco VG204 Specifications

General

Number of FXS Ports	4
Voice Codecs	G.711, G.729, G.729a, G.729ab
Operating Temperature	32 to 104°F (0 to 40°C)
Humidity	10% to 90% non-condensing
Network Interface	1 x 10/100 Ethernet
Protocol Support	SCCP, SIP
Power Supply	AC 100-240V, 50-60Hz
Weight	2.2 lbs (1 kg)
Storage Temperature	-20 to 70°C